Graphical Construction Glossary >> Roofs and roofing. >> Rainbow roof

Rainbow roof, Whaleback roof, Compass roof.
A pitched roof that has slight convex curves to the top surfaces. Depending on the amount of curve and the ratio of width to height they can range from almost a semicircle to a Gothic arch.

rainbow or whaleback roof
Whaleback roof.

I have no photos of one of these and if I had to build one in timber it would be laminated portal aches I guess.

The names seem to hark back to a time of wooden ships and utilising readily available timber, more often than not bent so why straighten it.

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"What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience?
Adam Smith 1723-1790

"When we build, let us think that we build for ever."John Ruskin 1819-1900

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Please Note! The information on this site is offered as a guide only!  When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area.  It could be out of date!  Regulations breed faster than rabbits!
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